Triangle and Rectangle Area Concepts

This video tutorial teaches how to calculate the perimeter and area of shapes and polygons in the coordinate plane. It covers the area and perimeter of triangles using the base-height formula and the Pythagorean theorem. The tutorial also explains how to find the area and perimeter of rectangles using the distance formula. The video concludes with additional resources for further learning.

What is the main topic of the video?

• Understanding algebraic expressions

• Learning about trigonometric functions

• Calculating the perimeter and area of shapes and polygons

• Finding the volume of 3D shapes

How is the area of a triangle calculated?

• Base times height

• One half the base times the height

• Base plus height

• Base minus height

What is the base length of the triangle in the example?

• 8 units

• 7 units

• 6 units

• 5 units

What is the height of the triangle in the example?

• 4 units

• 6 units

• 3 units

• 5 units

What is the area of the triangle in the example?

• 17.5 units squared

• 15.5 units squared

• 18.5 units squared

• 16.5 units squared

What is the formula for the area of a triangle?

• Base minus height

• Base plus height

• One half the base times the height

• Base times height

What is the formula for the area of a triangle?

• Base times height

• Base plus height

• One half the base times the height

• Base minus height

What is the formula for the area of a triangle?

• Base plus height

• One half the base times the height

• Base minus height

• Base times height

Which theorem is used to find the missing side of the triangle?

• Euclid's theorem

• Fermat's Last Theorem

• Thales' theorem

• Pythagorean theorem

What is the approximate length of the hypotenuse in the triangle example?

• 10.6 units

• 9.6 units

• 8.6 units

• 7.6 units